Honestly check out Fort Worth. It's the best kept secret in the U.S. (in my opinion) It's a great town with the great location you get with Dallas, but without the 30K millionaires. The people are more down to earth, housing is more affordable and it's easier to get larger lots and land if you want and still live close enough to DFW to work out of there.

If you are stuck on AUS/SAT, check out the "Hill Country". It is really pretty out there with lots of lakes for recreation. Good luck with everything!